Lennox SLO183UFV Series Installation Instructions Manual Download Page 18

Page 18

Table 7

Blower Performance 

{0 through 0.80 in. w.g. (0 through 200 Pa) External Static Pressure Range}

ADJUST"

Jumper

Setting

HEAT" Jumper Speed Position [kBtuh heat input]

COOL" Jumper Speed Position

A

B

C

D

A

B

C

D

 cfm

  L/s

cfm

L/s

cfm

L/s

cfm

L/s

cfm

L/s

cfm

L/s

cfm

L/s

cfm

L/s

Model SLO183UFV68/86 Units

Do not use

Do not use

[−86]

[−68]

(+)

N/A

N/A

N/A

N/A

Same as NORM

1380

650

1150

545

920

435

690

325

NORM

N/A

N/A

N/A

N/A

1000

470

750

355

1200

565

1000

470

800

380

600

285

(–)

N/A

N/A

N/A

N/A

Same as NORM

1020

480

850

400

680

320

510

240

Model SLO183UFV101/114 Units

Do not use

Do not use

[−120]

[−105]

(+)

N/A

N/A

N/A

N/A

Same as NORM

1610

760

1380

650

1150

540

920

435

NORM

N/A

N/A

N/A

N/A

1300

615

1200

565

1400

660

1200

565

1000

470

800

380

(–)

N/A

N/A

N/A

N/A

Same as NORM

1190

560

1020

480

850

400

680

320

Model SLO183UFV135/150 Units

Do not use

[−150]

Do not use

[−135]

(+)

N/A

N/A

Same as

NORM

N/A

N/A

Same as

NORM

2300

1085

2070

975

1840

870

1380

650

NORM

N/A

N/A

1730

816

N/A

N/A

1400

660

2000

945

1800

850

1600

755

1200

565

(–)

N/A

N/A

Same as

NORM

N/A

N/A

Same as

NORM

1700

800

1530

720

1360

640

1020

480

NOTE − Continuous Fan air volume is 50% of COOL speed.

Blower Control Board (A54)

16−PIN PLUG

(BOARD TO MOTOR)

DIAGNOSTIC LED

ADJUST
SELECTOR PINS
(Setting affect cooling only)

HEATING SPEED
SELECTOR PINS (SEE
TABLE)

COOLING SPEED
SELECTOR PINS

NOTE − The JW1 resistor
must be cut to activate the
HUM terminal.

Figure 11

SLO183UFV−86

SLO183UFV−114

SLO183UFV−68
SLO183UFV−101

SLO183UFV−135
SLO183UFV−150

HEAT SPEED SELECTOR
PINS (JUMPERS)

Summary of Contents for SLO183UFV Series

Page 1: ...3UFV Unit Dimensions 2 SLO183UFV Unit Parts Arrangement 3 SLO183UFV Oil Burner Parts Arrangement 3 Requirements 4 Combustion Ventilation Air 5 Locate Level the Unit 6 Adjustments 7 Venting 7 Flue Conn...

Page 2: ...ELECTRICAL INLET Right Side Only OIL PIPING INLET Left Side Only OPT OUTDOOR COMBUSTION AIR INLET CENTERING HOLE Field Fabricate Right Side only RETURN AIR OPENING Either Side 3 4 19 A B C D AIR FLOW...

Page 3: ...MIT SWITCH INDOOR BLOWER CAPACITOR BLOWER CONTROL Figure 2 SLO183UFV AFG Burner Parts Arrangement ESCUTCHEON PLATE MAIN HOUSING HEAT SHIELD BURNER CONTROL with Reset Button OIL DELAY VALVE AIR TUBE WI...

Page 4: ...the furnace burner IMPORTANT An opening to the outside for combustion air is strongly recommended especially in new homes Refer to table 1 or the unit rating plate for specific combustion air opening...

Page 5: ...ed at the same time as the furnace much more air is required to ensure proper combustion and to prevent a down draft situation Insufficient amounts of air also cause incomplete combustion which can re...

Page 6: ...same cross sec tional area as the free area of the openings to which they connect The minimum dimension of rectangular air ducts shall be no less than 3 76 mm In calculating free area the blocking ef...

Page 7: ...spect the spark transformer leads also to ensure they are still attached to the electrodes The burner assembly is attached to the vestibule panel by three nuts Slots are provided in the mounting flang...

Page 8: ...nts and should be consulted before installation of unit 2 The vent connector should be as short as possible to do the job 3 The vent connector should not be smaller than the outlet diameter of the ven...

Page 9: ...operation remain con nected to the common venting system If venting system has been installed improperly the system must be cor rected as outlined in the previous section 1 Seal any unused openings i...

Page 10: ...adiation shields should extend from the top of the unit to the top of the flue pipe NON COMBUSTIBLE SPACERS RADIATION SHIELDS SEE NOTE 1 7 178 mm min 12 305 mm min A A B SEE NOTE 3 SEE NOTE 2 Supply R...

Page 11: ...2 12 mm OD Tubing 0 0 0 84 25 6 93 28 3 100 30 5 100 30 5 2 0 6 73 22 3 85 25 9 100 30 5 100 30 5 4 1 2 63 19 2 77 23 5 100 30 5 100 30 5 6 1 8 52 15 8 69 21 0 100 30 5 100 30 5 8 2 4 42 12 8 60 18 3...

Page 12: ...ctory and field for oil leaks Oil Pipe Heater Optional A heater for the oil pipe is available for applications that are located in cold climates The heater warms the oil pipe to assist the initial sta...

Page 13: ...Page 13 Figure 7 Typical SLO183UFV Wiring Diagram OIL DELAY A15 A54 9 1 ST9103A...

Page 14: ...ams 1 Heat 1 Cool ComfortSense 7000 L7724U 1 Heat 2 Cool ComfortSense 7000 L7724U 1 Heat 1 Cool ComfortSense 7000 L7724U with Thermostat Dehumidification Mode 1 Heat 2 Cool ComfortSense 7000 L7724U wi...

Page 15: ...ge Heat Pump ComfortSense 7000 L7724U with Dual Fuel Control Mode Dual Fuel Two Stage Heat Pump ComfortSense 7000 L7724U with Dual Fuel Control Mode Dual Fuel Two Stage Heat Pump ComfortSense 7000 L77...

Page 16: ...of each cooling demand to allow for greater humidity removal and to conserve energy If after 7 1 2 minutes the Y demand is not met 100 CFM is supplied until the demand is satisfied OFF CALL 100 82 Y...

Page 17: ...wer speed For example if the unit is operating at 1000 CFM the CFM LED will flash 10 times At times the light may appear to flicker or glow This takes place when the control is communicating with the...

Page 18: ...5 NORM N A N A N A N A 1300 615 1200 565 1400 660 1200 565 1000 470 800 380 N A N A N A N A Same as NORM 1190 560 1020 480 850 400 680 320 Model SLO183UFV135 150 Units Do not use 150 Do not use 135 N...

Page 19: ...rom picking up radiant heat Set thermostat to its highest setting to start unit After plenum thermometers have reached their highest and steadiest readings subtract the readings The difference in temp...

Page 20: ...oosen the air band screw and rotate the band This is the starting point Do not stop here 4 CO2 Test Again take this sample at the vent pipe With the unit firing at a trace of smoke take a sample of th...

Page 21: ...ps from the clean out tubes Remove flue access elbow 3 Using a long spiral wire brush sweep down the outer drum of the heat exchanger Then using the hose at tachment vacuum out loose debris 4 Remove t...

Page 22: ...nal is de energized Response D After the thermostat is satisfied the thermostat circuit opens The oil delay valve and burner are de energized D Burner is de energized D Heat fan off ramp timing begins...

Page 23: ...peed ramps down Circulat ing fan shuts off after 60 seconds Thermostat begins call for fan G terminal is energized Indoor blower is energized immediately at 50 of cool speed ST9103A may be factory con...

Page 24: ...ect the flame detector wires at the primary control If the burner starts fault is in the detector circuit Flame detector leads are shorted Separate leads Flame detector exposed to light Seal off false...

Page 25: ...from unit Inspect the nozzle for plugged orifice or carbon build up around orifice Nozzle orifice plugged Replace nozzle with the same size spray angle and spray pattern Nozzle strainer plugged Poor o...

Page 26: ...ter burner fires immedi ately jumper across flame detector termi nals at the pri mary control If burner con tinues to run does not lock out of safety fault may be due to poor fire Inspect fire Unbalan...

Page 27: ...wheel dirty Clean blower wheel Wrong motor rotation Replace motor Restrictions in return or supply air system Correct cause of restriction Power If voltage fluctuates fault is in the power source Rech...

Page 28: ...d heat exchanger Clean heat exchanger Readjust burner Insufficient overfire draft Increase draft Incorrect nozzle assembly depth Set to 1 13 Too little combustion air Increase combustion air High stac...

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